Blame - include/linux/pci-ats.h - SHIFTPHONES/kernel/common

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Greg Kroah-Hartman	b244131	2017-11-01 15:07:57 +0100	[diff] [blame]	1	/* SPDX-License-Identifier: GPL-2.0 */
Joerg Roedel	5cdede2	2011-04-04 15:55:18 +0200	[diff] [blame]	2	#ifndef LINUX_PCI_ATS_H
				3	#define LINUX_PCI_ATS_H
				4
Joerg Roedel	db3c33c	2011-09-27 15:57:13 +0200	[diff] [blame]	5	#include <linux/pci.h>
				6
Krzysztof Wilczynski	b24d5c2	2019-09-14 23:30:32 +0200	[diff] [blame]	7	#ifdef CONFIG_PCI_ATS
				8	/* Address Translation Service */
Jean-Philippe Brucker	5213767	2020-05-20 17:22:00 +0200	[diff] [blame]	9	bool pci_ats_supported(struct pci_dev *dev);
Krzysztof Wilczynski	b24d5c2	2019-09-14 23:30:32 +0200	[diff] [blame]	10	int pci_enable_ats(struct pci_dev *dev, int ps);
				11	void pci_disable_ats(struct pci_dev *dev);
				12	int pci_ats_queue_depth(struct pci_dev *dev);
				13	int pci_ats_page_aligned(struct pci_dev *dev);
				14	#else /* CONFIG_PCI_ATS */
Jean-Philippe Brucker	5213767	2020-05-20 17:22:00 +0200	[diff] [blame]	15	static inline bool pci_ats_supported(struct pci_dev *d)
				16	{ return false; }
Krzysztof Wilczynski	b24d5c2	2019-09-14 23:30:32 +0200	[diff] [blame]	17	static inline int pci_enable_ats(struct pci_dev *d, int ps)
				18	{ return -ENODEV; }
				19	static inline void pci_disable_ats(struct pci_dev *d) { }
				20	static inline int pci_ats_queue_depth(struct pci_dev *d)
				21	{ return -ENODEV; }
				22	static inline int pci_ats_page_aligned(struct pci_dev *dev)
				23	{ return 0; }
				24	#endif /* CONFIG_PCI_ATS */
Joerg Roedel	c320b97	2011-09-27 15:57:15 +0200	[diff] [blame]	25
Krzysztof Wilczynski	b24d5c2	2019-09-14 23:30:32 +0200	[diff] [blame]	26	#ifdef CONFIG_PCI_PRI
Bjorn Helgaas	f39d5b7	2013-04-12 12:02:59 -0600	[diff] [blame]	27	int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
				28	void pci_disable_pri(struct pci_dev *pdev);
Bjorn Helgaas	f39d5b7	2013-04-12 12:02:59 -0600	[diff] [blame]	29	int pci_reset_pri(struct pci_dev *pdev);
Bjorn Helgaas	8cbb8a9	2019-10-09 14:54:01 -0500	[diff] [blame]	30	int pci_prg_resp_pasid_required(struct pci_dev *pdev);
Ashok Raj	3f9a7a1	2020-07-23 15:37:29 -0700	[diff] [blame]	31	bool pci_pri_supported(struct pci_dev *pdev);
				32	#else
				33	static inline bool pci_pri_supported(struct pci_dev *pdev)
				34	{ return false; }
Joerg Roedel	c320b97	2011-09-27 15:57:15 +0200	[diff] [blame]	35	#endif /* CONFIG_PCI_PRI */
				36
Joerg Roedel	086ac11	2011-09-27 15:57:16 +0200	[diff] [blame]	37	#ifdef CONFIG_PCI_PASID
Bjorn Helgaas	f39d5b7	2013-04-12 12:02:59 -0600	[diff] [blame]	38	int pci_enable_pasid(struct pci_dev *pdev, int features);
				39	void pci_disable_pasid(struct pci_dev *pdev);
				40	int pci_pasid_features(struct pci_dev *pdev);
				41	int pci_max_pasids(struct pci_dev *pdev);
Krzysztof Wilczynski	b24d5c2	2019-09-14 23:30:32 +0200	[diff] [blame]	42	#else /* CONFIG_PCI_PASID */
Jean-Philippe Brucker	5a4549f	2020-01-15 13:52:38 +0100	[diff] [blame]	43	static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
				44	{ return -EINVAL; }
				45	static inline void pci_disable_pasid(struct pci_dev *pdev) { }
Joerg Roedel	086ac11	2011-09-27 15:57:16 +0200	[diff] [blame]	46	static inline int pci_pasid_features(struct pci_dev *pdev)
Krzysztof Wilczynski	b24d5c2	2019-09-14 23:30:32 +0200	[diff] [blame]	47	{ return -EINVAL; }
Joerg Roedel	086ac11	2011-09-27 15:57:16 +0200	[diff] [blame]	48	static inline int pci_max_pasids(struct pci_dev *pdev)
Krzysztof Wilczynski	b24d5c2	2019-09-14 23:30:32 +0200	[diff] [blame]	49	{ return -EINVAL; }
Joerg Roedel	086ac11	2011-09-27 15:57:16 +0200	[diff] [blame]	50	#endif /* CONFIG_PCI_PASID */
				51
Krzysztof Wilczynski	b24d5c2	2019-09-14 23:30:32 +0200	[diff] [blame]	52	#endif /* LINUX_PCI_ATS_H */